1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Bess [88]
3 years ago
13

Quadrilateral $abcd$ is a trapezoid with $ab$ parallel to $cd$. we know $ab = 20$ and $cd = 12$. what is the ratio of the area o

f triangle $acb$ to the area of the trapezoid $abcd$? express your answer as a common fraction.

Mathematics
1 answer:
alekssr [168]3 years ago
4 0
Draw a diagram to illustrate the problem as shown below.

The area of triangle acb is
A₁ = (1/2)*20*h = 10h

The area of trapezoid abcd is
A₂ = (1/2)*(20+12)*h = 16h

The ratio A₁/A₂ is
A₁/A₂ = (10h)/(16) = 5/8

Answer:
The ratio of triangle acb to the area of trapezoid abcd is 5/8.

You might be interested in
Ahhhh I need help now!Will mark brainlest! Please help with the question below:
marshall27 [118]

Answer:

10

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Atul deposited 30% of his income in a bank. After spending 50% of the remaining ,he had ripped 10,500 left with
Alex Ar [27]

Answer:

30,000

Step-by-step explanation:

50% remaining = 10500

After deposit: 2×10500 = 21000

210000 : 70%

X : 100%

21000/70 = X/100

X = 30,000

6 0
3 years ago
Read 2 more answers
The expression 21m−49n factored using the GCF
rewona [7]
Here is my work for the problem. Hope this helps!

5 0
3 years ago
Read 2 more answers
Please answer asap!!!
ASHA 777 [7]

Answer:

15/3

Step-by-step explanation:

.................................

6 0
2 years ago
What is 3/10 ÷5/10 ?
olasank [31]
The answer is 30/50 look below:
KCF keep change flip
so keep the first one the way it is
change the sign to multiplication from division
filp the 2nd fraction into a improper fraction
than multiply
so...
 3*10=30
10*5=50
so...
your answer is 30/50 or 3/5 that is in simplest form

Hope this helped


5 0
2 years ago
Other questions:
  • How do you do this question??????
    9·1 answer
  • Mary is 3 times as old as her brother, Josh. If Josh is 6 years old how old will Mary be on her next birthday?
    9·2 answers
  • 12 POINTS!!! PLEASE HELP!!! WILL MARK BRAINLIEST!!
    13·1 answer
  • Please helppp! I need help ASAP!
    5·1 answer
  • Tom and 29 friends (30 total) are to sit in three rows of 10 at a movie theatre. They madea rule that Within each row, they must
    5·1 answer
  • Find the value of x.
    7·2 answers
  • The daily cost of hiring an electrician,Y, to work x hours on an electric job can be modeled using a linear function. The electr
    14·2 answers
  • earn 5 coins Which of the algebraic expressions below is equal to 20? Select all that apply. A) (5)(0.6) x 7 B) (C) (15) + 8 C)
    9·1 answer
  • Which ones are like terms and how can you tell? -8h 4h 3t 7t -4e 3e -2b b
    10·1 answer
  • What is the 158th term of the sequence 8,6,4..?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!